Liability for Vacant Office Space (Tables)

3 Months Ended

Mar. 31, 2012

Payables and Accruals [Abstract]

Liability for Vacant Office Space

The following table shows the change in our liability for vacant office space from December 31, 2011 to March 31, 2012:

Liability for vacant office space	($000)
Balance as of December 31, 2011	$	919
Reduction of liability for lease and other related payments	(327		)
Balance as of March 31, 2012	$	592